Set in Boston in 1963, Landay's engrossing crime novel is less about the titular strangler than the three Irish-American Daley brothers: Ricky, a thief; Michael, a lawyer; and Joe, a bent cop. A year earlier, the Daleys' father, also a cop, was fatally shot on the job, and the killer has never been caught. The father's partner on the force, Brendan Conroy, has insinuated himself into the family to the point that he's now sleeping with the brothers' mother, Margaret, and is a permanent fixture at Sunday dinner, much to the disgust of Michael and Ricky. Landay (Mission Flats ) movingly explores the bonds of family and basic questions of honesty and loyalty. While the novel suggests another killer than the historical Boston Strangler, the emphasis remains on such themes as crime and punishment, love and honor, truth and justice. (Feb.)